netdev - [PATCHv2 1/5] bonding: mc addresses don't get deleted on enslave failure

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Date:	Thu, 18 Apr 2013 19:33:34 +0200
From:	Nikolay Aleksandrov <nikolay@...hat.com>
To:	netdev@...r.kernel.org
Cc:	andy@...yhouse.net, fubar@...ibm.com, davem@...emloft.net
Subject: [PATCHv2 1/5] bonding: mc addresses don't get deleted on enslave failure

Add bond_mc_list_flush() after err_detach as that's the first error path
after the addresses are added. The main issue is the mc addresses' refcount
which only gets bumped up.

v2: update log message and don't move code unnecessarily

Signed-off-by: Nikolay Aleksandrov <nikolay@...hat.com>
---
 drivers/net/bonding/bond_main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index a61a760..6fe1544 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1901,6 +1901,11 @@ err_dest_symlinks:
 	bond_destroy_slave_symlinks(bond_dev, slave_dev);
 
 err_detach:
+	if (!USES_PRIMARY(bond->params.mode)) {
+		netif_addr_lock_bh(bond_dev);
+		bond_mc_list_flush(bond_dev, slave_dev);
+		netif_addr_unlock_bh(bond_dev);
+	}
 	write_lock_bh(&bond->lock);
 	bond_detach_slave(bond, new_slave);
 	write_unlock_bh(&bond->lock);
-- 
1.8.1.4

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